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Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
Non-GMO Project Verified logo
Non-GMO Project Verified
United States · Tier 3 Specialty
Naturland logo
Naturland
Germany · Tier 2 Trusted
What it meansVottunarstofan Tún is Iceland's only accredited organic certifier. Accredited by MAST (Matvælastofnun) under the EU 2018/848-equivalent Icelandic standard, so a Tún-certified product is also recognised as EU-organic.North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.A German farmers' association whose private organic standard is stricter than the EU baseline. Covers food, aquaculture, textiles, and cosmetics. Recognised globally.
ScopeFoodFoodSeveral categories
Established199420101982
InspectionAnnual on-site, MAST-accreditedAnnual third-party audit + lab testingAnnual on-site by Naturland-accredited inspectors
Residue testingRequired for at-risk operationsGMO testing only (not pesticide)Required
Guarantees
  • ≥95% organic ingredients per EU rules.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection.
  • Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).
  • Verified absence of GMO ingredients (with action thresholds, not zero tolerance).
  • Annual third-party verification.
  • Tracing and segregation across the supply chain.
  • Stricter than EU 2018/848 (lower nitrogen inputs, full-farm conversion, social standards).
  • Annual on-site inspection.
  • Fair-pricing requirements for member farmers.
Does NOT
  • There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.
  • Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.
  • Membership-based — only farms that join the Naturland association can use the mark.

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